diff --git a/index.ts b/index.ts
index 6b3e3bc..53848a8 100644
--- a/index.ts
+++ b/index.ts
@@ -1,4 +1 @@
-import * as testUtil from './test/util';
-
 export * from './src/nim';
-export const testUtil;
diff --git a/test/util.ts b/test/util.ts
index 1d74f08..c642b6c 100644
--- a/test/util.ts
+++ b/test/util.ts
@@ -1,5 +1,5 @@
-import { flow, isNull, negate, random } from 'lodash';
-import { GameConfig, GameState, Player, Strategy, StrategyFactory, isFinished, playRound } from '../index';
+import { flow, negate, random } from 'lodash';
+import { GameConfig, GameState, Player, StrategyFactory, isFinished, playRound } from '../index';
 import { GameFn } from '../src/lib/game';
 import { when } from '../src/lib/util';